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Diffstat (limited to 'crypto/heimdal/lib/krb5/get_cred.c')
-rw-r--r--crypto/heimdal/lib/krb5/get_cred.c840
1 files changed, 0 insertions, 840 deletions
diff --git a/crypto/heimdal/lib/krb5/get_cred.c b/crypto/heimdal/lib/krb5/get_cred.c
deleted file mode 100644
index 7aa61a3756ab2..0000000000000
--- a/crypto/heimdal/lib/krb5/get_cred.c
+++ /dev/null
@@ -1,840 +0,0 @@
-/*
- * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <krb5_locl.h>
-
-RCSID("$Id: get_cred.c,v 1.91 2002/09/04 21:12:46 joda Exp $");
-
-/*
- * Take the `body' and encode it into `padata' using the credentials
- * in `creds'.
- */
-
-static krb5_error_code
-make_pa_tgs_req(krb5_context context,
- krb5_auth_context ac,
- KDC_REQ_BODY *body,
- PA_DATA *padata,
- krb5_creds *creds,
- krb5_key_usage usage)
-{
- u_char *buf;
- size_t buf_size;
- size_t len;
- krb5_data in_data;
- krb5_error_code ret;
-
- ASN1_MALLOC_ENCODE(KDC_REQ_BODY, buf, buf_size, body, &len, ret);
- if (ret)
- goto out;
- if(buf_size != len)
- krb5_abortx(context, "internal error in ASN.1 encoder");
-
- in_data.length = len;
- in_data.data = buf;
- ret = krb5_mk_req_internal(context, &ac, 0, &in_data, creds,
- &padata->padata_value,
- KRB5_KU_TGS_REQ_AUTH_CKSUM,
- usage
- /* KRB5_KU_TGS_REQ_AUTH */);
-out:
- free (buf);
- if(ret)
- return ret;
- padata->padata_type = KRB5_PADATA_TGS_REQ;
- return 0;
-}
-
-/*
- * Set the `enc-authorization-data' in `req_body' based on `authdata'
- */
-
-static krb5_error_code
-set_auth_data (krb5_context context,
- KDC_REQ_BODY *req_body,
- krb5_authdata *authdata,
- krb5_keyblock *key)
-{
- if(authdata->len) {
- size_t len;
- unsigned char *buf;
- krb5_crypto crypto;
- krb5_error_code ret;
-
- ASN1_MALLOC_ENCODE(AuthorizationData, buf, len, authdata, &len, ret);
- if (ret)
- return ret;
-
- ALLOC(req_body->enc_authorization_data, 1);
- if (req_body->enc_authorization_data == NULL) {
- free (buf);
- krb5_set_error_string(context, "malloc: out of memory");
- return ENOMEM;
- }
- ret = krb5_crypto_init(context, key, 0, &crypto);
- if (ret) {
- free (buf);
- free (req_body->enc_authorization_data);
- return ret;
- }
- krb5_encrypt_EncryptedData(context,
- crypto,
- KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY,
- /* KRB5_KU_TGS_REQ_AUTH_DAT_SESSION? */
- buf,
- len,
- 0,
- req_body->enc_authorization_data);
- free (buf);
- krb5_crypto_destroy(context, crypto);
- } else {
- req_body->enc_authorization_data = NULL;
- }
- return 0;
-}
-
-/*
- * Create a tgs-req in `t' with `addresses', `flags', `second_ticket'
- * (if not-NULL), `in_creds', `krbtgt', and returning the generated
- * subkey in `subkey'.
- */
-
-static krb5_error_code
-init_tgs_req (krb5_context context,
- krb5_ccache ccache,
- krb5_addresses *addresses,
- krb5_kdc_flags flags,
- Ticket *second_ticket,
- krb5_creds *in_creds,
- krb5_creds *krbtgt,
- unsigned nonce,
- krb5_keyblock **subkey,
- TGS_REQ *t,
- krb5_key_usage usage)
-{
- krb5_error_code ret = 0;
-
- memset(t, 0, sizeof(*t));
- t->pvno = 5;
- t->msg_type = krb_tgs_req;
- if (in_creds->session.keytype) {
- ALLOC_SEQ(&t->req_body.etype, 1);
- if(t->req_body.etype.val == NULL) {
- ret = ENOMEM;
- krb5_set_error_string(context, "malloc: out of memory");
- goto fail;
- }
- t->req_body.etype.val[0] = in_creds->session.keytype;
- } else {
- ret = krb5_init_etype(context,
- &t->req_body.etype.len,
- &t->req_body.etype.val,
- NULL);
- }
- if (ret)
- goto fail;
- t->req_body.addresses = addresses;
- t->req_body.kdc_options = flags.b;
- ret = copy_Realm(&in_creds->server->realm, &t->req_body.realm);
- if (ret)
- goto fail;
- ALLOC(t->req_body.sname, 1);
- if (t->req_body.sname == NULL) {
- ret = ENOMEM;
- krb5_set_error_string(context, "malloc: out of memory");
- goto fail;
- }
-
- /* some versions of some code might require that the client be
- present in TGS-REQs, but this is clearly against the spec */
-
- ret = copy_PrincipalName(&in_creds->server->name, t->req_body.sname);
- if (ret)
- goto fail;
-
- /* req_body.till should be NULL if there is no endtime specified,
- but old MIT code (like DCE secd) doesn't like that */
- ALLOC(t->req_body.till, 1);
- if(t->req_body.till == NULL){
- ret = ENOMEM;
- krb5_set_error_string(context, "malloc: out of memory");
- goto fail;
- }
- *t->req_body.till = in_creds->times.endtime;
-
- t->req_body.nonce = nonce;
- if(second_ticket){
- ALLOC(t->req_body.additional_tickets, 1);
- if (t->req_body.additional_tickets == NULL) {
- ret = ENOMEM;
- krb5_set_error_string(context, "malloc: out of memory");
- goto fail;
- }
- ALLOC_SEQ(t->req_body.additional_tickets, 1);
- if (t->req_body.additional_tickets->val == NULL) {
- ret = ENOMEM;
- krb5_set_error_string(context, "malloc: out of memory");
- goto fail;
- }
- ret = copy_Ticket(second_ticket, t->req_body.additional_tickets->val);
- if (ret)
- goto fail;
- }
- ALLOC(t->padata, 1);
- if (t->padata == NULL) {
- ret = ENOMEM;
- krb5_set_error_string(context, "malloc: out of memory");
- goto fail;
- }
- ALLOC_SEQ(t->padata, 1);
- if (t->padata->val == NULL) {
- ret = ENOMEM;
- krb5_set_error_string(context, "malloc: out of memory");
- goto fail;
- }
-
- {
- krb5_auth_context ac;
- krb5_keyblock *key;
-
- ret = krb5_auth_con_init(context, &ac);
- if(ret)
- goto fail;
- ret = krb5_generate_subkey (context, &krbtgt->session, &key);
- if (ret) {
- krb5_auth_con_free (context, ac);
- goto fail;
- }
- ret = krb5_auth_con_setlocalsubkey(context, ac, key);
- if (ret) {
- krb5_free_keyblock (context, key);
- krb5_auth_con_free (context, ac);
- goto fail;
- }
-
- ret = set_auth_data (context, &t->req_body, &in_creds->authdata, key);
- if (ret) {
- krb5_free_keyblock (context, key);
- krb5_auth_con_free (context, ac);
- goto fail;
- }
-
- ret = make_pa_tgs_req(context,
- ac,
- &t->req_body,
- t->padata->val,
- krbtgt,
- usage);
- if(ret) {
- krb5_free_keyblock (context, key);
- krb5_auth_con_free(context, ac);
- goto fail;
- }
- *subkey = key;
-
- krb5_auth_con_free(context, ac);
- }
-fail:
- if (ret)
- /* XXX - don't free addresses? */
- free_TGS_REQ (t);
- return ret;
-}
-
-static krb5_error_code
-get_krbtgt(krb5_context context,
- krb5_ccache id,
- krb5_realm realm,
- krb5_creds **cred)
-{
- krb5_error_code ret;
- krb5_creds tmp_cred;
-
- memset(&tmp_cred, 0, sizeof(tmp_cred));
-
- ret = krb5_make_principal(context,
- &tmp_cred.server,
- realm,
- KRB5_TGS_NAME,
- realm,
- NULL);
- if(ret)
- return ret;
- ret = krb5_get_credentials(context,
- KRB5_GC_CACHED,
- id,
- &tmp_cred,
- cred);
- krb5_free_principal(context, tmp_cred.server);
- if(ret)
- return ret;
- return 0;
-}
-
-/* DCE compatible decrypt proc */
-static krb5_error_code
-decrypt_tkt_with_subkey (krb5_context context,
- krb5_keyblock *key,
- krb5_key_usage usage,
- krb5_const_pointer subkey,
- krb5_kdc_rep *dec_rep)
-{
- krb5_error_code ret;
- krb5_data data;
- size_t size;
- krb5_crypto crypto;
-
- ret = krb5_crypto_init(context, key, 0, &crypto);
- if (ret)
- return ret;
- ret = krb5_decrypt_EncryptedData (context,
- crypto,
- usage,
- &dec_rep->kdc_rep.enc_part,
- &data);
- krb5_crypto_destroy(context, crypto);
- if(ret && subkey){
- /* DCE compat -- try to decrypt with subkey */
- ret = krb5_crypto_init(context, (krb5_keyblock*)subkey, 0, &crypto);
- if (ret)
- return ret;
- ret = krb5_decrypt_EncryptedData (context,
- crypto,
- KRB5_KU_TGS_REP_ENC_PART_SUB_KEY,
- &dec_rep->kdc_rep.enc_part,
- &data);
- krb5_crypto_destroy(context, crypto);
- }
- if (ret)
- return ret;
-
- ret = krb5_decode_EncASRepPart(context,
- data.data,
- data.length,
- &dec_rep->enc_part,
- &size);
- if (ret)
- ret = krb5_decode_EncTGSRepPart(context,
- data.data,
- data.length,
- &dec_rep->enc_part,
- &size);
- krb5_data_free (&data);
- return ret;
-}
-
-static krb5_error_code
-get_cred_kdc_usage(krb5_context context,
- krb5_ccache id,
- krb5_kdc_flags flags,
- krb5_addresses *addresses,
- krb5_creds *in_creds,
- krb5_creds *krbtgt,
- krb5_creds *out_creds,
- krb5_key_usage usage)
-{
- TGS_REQ req;
- krb5_data enc;
- krb5_data resp;
- krb5_kdc_rep rep;
- KRB_ERROR error;
- krb5_error_code ret;
- unsigned nonce;
- krb5_keyblock *subkey = NULL;
- u_char *buf = NULL;
- size_t buf_size;
- size_t len;
- Ticket second_ticket;
-
- krb5_generate_random_block(&nonce, sizeof(nonce));
- nonce &= 0xffffffff;
-
- if(flags.b.enc_tkt_in_skey){
- ret = decode_Ticket(in_creds->second_ticket.data,
- in_creds->second_ticket.length,
- &second_ticket, &len);
- if(ret)
- return ret;
- }
-
- ret = init_tgs_req (context,
- id,
- addresses,
- flags,
- flags.b.enc_tkt_in_skey ? &second_ticket : NULL,
- in_creds,
- krbtgt,
- nonce,
- &subkey,
- &req,
- usage);
- if(flags.b.enc_tkt_in_skey)
- free_Ticket(&second_ticket);
- if (ret)
- goto out;
-
- ASN1_MALLOC_ENCODE(TGS_REQ, buf, buf_size, &req, &enc.length, ret);
- if (ret)
- goto out;
- if(enc.length != buf_size)
- krb5_abortx(context, "internal error in ASN.1 encoder");
-
- /* don't free addresses */
- req.req_body.addresses = NULL;
- free_TGS_REQ(&req);
-
- enc.data = buf + buf_size - enc.length;
- if (ret)
- goto out;
-
- /*
- * Send and receive
- */
-
- ret = krb5_sendto_kdc (context, &enc,
- &krbtgt->server->name.name_string.val[1], &resp);
- if(ret)
- goto out;
-
- memset(&rep, 0, sizeof(rep));
- if(decode_TGS_REP(resp.data, resp.length, &rep.kdc_rep, &len) == 0){
- ret = krb5_copy_principal(context,
- in_creds->client,
- &out_creds->client);
- if(ret)
- goto out;
- ret = krb5_copy_principal(context,
- in_creds->server,
- &out_creds->server);
- if(ret)
- goto out;
- /* this should go someplace else */
- out_creds->times.endtime = in_creds->times.endtime;
-
- ret = _krb5_extract_ticket(context,
- &rep,
- out_creds,
- &krbtgt->session,
- NULL,
- KRB5_KU_TGS_REP_ENC_PART_SESSION,
- &krbtgt->addresses,
- nonce,
- TRUE,
- flags.b.request_anonymous,
- decrypt_tkt_with_subkey,
- subkey);
- krb5_free_kdc_rep(context, &rep);
- if (ret)
- goto out;
- } else if(krb5_rd_error(context, &resp, &error) == 0) {
- ret = krb5_error_from_rd_error(context, &error, in_creds);
- krb5_free_error_contents(context, &error);
- } else if(resp.data && ((char*)resp.data)[0] == 4) {
- ret = KRB5KRB_AP_ERR_V4_REPLY;
- krb5_clear_error_string(context);
- } else {
- ret = KRB5KRB_AP_ERR_MSG_TYPE;
- krb5_clear_error_string(context);
- }
- krb5_data_free(&resp);
-out:
- if(subkey){
- krb5_free_keyblock_contents(context, subkey);
- free(subkey);
- }
- if (buf)
- free (buf);
- return ret;
-
-}
-
-static krb5_error_code
-get_cred_kdc(krb5_context context,
- krb5_ccache id,
- krb5_kdc_flags flags,
- krb5_addresses *addresses,
- krb5_creds *in_creds,
- krb5_creds *krbtgt,
- krb5_creds *out_creds)
-{
- krb5_error_code ret;
-
- ret = get_cred_kdc_usage(context, id, flags, addresses, in_creds,
- krbtgt, out_creds, KRB5_KU_TGS_REQ_AUTH);
- if (ret == KRB5KRB_AP_ERR_BAD_INTEGRITY) {
- krb5_clear_error_string (context);
- ret = get_cred_kdc_usage(context, id, flags, addresses, in_creds,
- krbtgt, out_creds, KRB5_KU_AP_REQ_AUTH);
- }
- return ret;
-}
-
-/* same as above, just get local addresses first */
-
-static krb5_error_code
-get_cred_kdc_la(krb5_context context, krb5_ccache id, krb5_kdc_flags flags,
- krb5_creds *in_creds, krb5_creds *krbtgt,
- krb5_creds *out_creds)
-{
- krb5_error_code ret;
- krb5_addresses addresses, *addrs = &addresses;
-
- krb5_get_all_client_addrs(context, &addresses);
- /* XXX this sucks. */
- if(addresses.len == 0)
- addrs = NULL;
- ret = get_cred_kdc(context, id, flags, addrs,
- in_creds, krbtgt, out_creds);
- krb5_free_addresses(context, &addresses);
- return ret;
-}
-
-krb5_error_code
-krb5_get_kdc_cred(krb5_context context,
- krb5_ccache id,
- krb5_kdc_flags flags,
- krb5_addresses *addresses,
- Ticket *second_ticket,
- krb5_creds *in_creds,
- krb5_creds **out_creds
- )
-{
- krb5_error_code ret;
- krb5_creds *krbtgt;
-
- *out_creds = calloc(1, sizeof(**out_creds));
- if(*out_creds == NULL) {
- krb5_set_error_string(context, "malloc: out of memory");
- return ENOMEM;
- }
- ret = get_krbtgt (context,
- id,
- in_creds->server->realm,
- &krbtgt);
- if(ret) {
- free(*out_creds);
- return ret;
- }
- ret = get_cred_kdc(context, id, flags, addresses,
- in_creds, krbtgt, *out_creds);
- krb5_free_creds (context, krbtgt);
- if(ret)
- free(*out_creds);
- return ret;
-}
-
-
-static krb5_error_code
-find_cred(krb5_context context,
- krb5_ccache id,
- krb5_principal server,
- krb5_creds **tgts,
- krb5_creds *out_creds)
-{
- krb5_error_code ret;
- krb5_creds mcreds;
- mcreds.server = server;
- ret = krb5_cc_retrieve_cred(context, id, KRB5_TC_DONT_MATCH_REALM,
- &mcreds, out_creds);
- if(ret == 0)
- return 0;
- while(tgts && *tgts){
- if(krb5_compare_creds(context, KRB5_TC_DONT_MATCH_REALM,
- &mcreds, *tgts)){
- ret = krb5_copy_creds_contents(context, *tgts, out_creds);
- return ret;
- }
- tgts++;
- }
- krb5_clear_error_string(context);
- return KRB5_CC_NOTFOUND;
-}
-
-static krb5_error_code
-add_cred(krb5_context context, krb5_creds ***tgts, krb5_creds *tkt)
-{
- int i;
- krb5_error_code ret;
- krb5_creds **tmp = *tgts;
-
- for(i = 0; tmp && tmp[i]; i++); /* XXX */
- tmp = realloc(tmp, (i+2)*sizeof(*tmp));
- if(tmp == NULL) {
- krb5_set_error_string(context, "malloc: out of memory");
- return ENOMEM;
- }
- *tgts = tmp;
- ret = krb5_copy_creds(context, tkt, &tmp[i]);
- tmp[i+1] = NULL;
- return ret;
-}
-
-/*
-get_cred(server)
- creds = cc_get_cred(server)
- if(creds) return creds
- tgt = cc_get_cred(krbtgt/server_realm@any_realm)
- if(tgt)
- return get_cred_tgt(server, tgt)
- if(client_realm == server_realm)
- return NULL
- tgt = get_cred(krbtgt/server_realm@client_realm)
- while(tgt_inst != server_realm)
- tgt = get_cred(krbtgt/server_realm@tgt_inst)
- return get_cred_tgt(server, tgt)
- */
-
-static krb5_error_code
-get_cred_from_kdc_flags(krb5_context context,
- krb5_kdc_flags flags,
- krb5_ccache ccache,
- krb5_creds *in_creds,
- krb5_creds **out_creds,
- krb5_creds ***ret_tgts)
-{
- krb5_error_code ret;
- krb5_creds *tgt, tmp_creds;
- krb5_const_realm client_realm, server_realm, try_realm;
-
- *out_creds = NULL;
-
- client_realm = *krb5_princ_realm(context, in_creds->client);
- server_realm = *krb5_princ_realm(context, in_creds->server);
- memset(&tmp_creds, 0, sizeof(tmp_creds));
- ret = krb5_copy_principal(context, in_creds->client, &tmp_creds.client);
- if(ret)
- return ret;
-
- try_realm = krb5_config_get_string(context, NULL, "libdefaults",
- "capath", server_realm, NULL);
- if (try_realm == NULL)
- try_realm = client_realm;
-
- ret = krb5_make_principal(context,
- &tmp_creds.server,
- try_realm,
- KRB5_TGS_NAME,
- server_realm,
- NULL);
- if(ret){
- krb5_free_principal(context, tmp_creds.client);
- return ret;
- }
- {
- krb5_creds tgts;
- /* XXX try krb5_cc_retrieve_cred first? */
- ret = find_cred(context, ccache, tmp_creds.server,
- *ret_tgts, &tgts);
- if(ret == 0){
- *out_creds = calloc(1, sizeof(**out_creds));
- if(*out_creds == NULL) {
- krb5_set_error_string(context, "malloc: out of memory");
- ret = ENOMEM;
- } else {
- krb5_boolean noaddr;
-
- krb5_appdefault_boolean(context, NULL, tgts.server->realm,
- "no-addresses", FALSE, &noaddr);
-
- if (noaddr)
- ret = get_cred_kdc(context, ccache, flags, NULL,
- in_creds, &tgts, *out_creds);
- else
- ret = get_cred_kdc_la(context, ccache, flags,
- in_creds, &tgts, *out_creds);
- if (ret) {
- free (*out_creds);
- *out_creds = NULL;
- }
- }
- krb5_free_creds_contents(context, &tgts);
- krb5_free_principal(context, tmp_creds.server);
- krb5_free_principal(context, tmp_creds.client);
- return ret;
- }
- }
- if(krb5_realm_compare(context, in_creds->client, in_creds->server)) {
- krb5_clear_error_string (context);
- return KRB5_CC_NOTFOUND;
- }
- /* XXX this can loop forever */
- while(1){
- general_string tgt_inst;
-
- ret = get_cred_from_kdc_flags(context, flags, ccache, &tmp_creds,
- &tgt, ret_tgts);
- if(ret) {
- krb5_free_principal(context, tmp_creds.server);
- krb5_free_principal(context, tmp_creds.client);
- return ret;
- }
- ret = add_cred(context, ret_tgts, tgt);
- if(ret) {
- krb5_free_principal(context, tmp_creds.server);
- krb5_free_principal(context, tmp_creds.client);
- return ret;
- }
- tgt_inst = tgt->server->name.name_string.val[1];
- if(strcmp(tgt_inst, server_realm) == 0)
- break;
- krb5_free_principal(context, tmp_creds.server);
- ret = krb5_make_principal(context, &tmp_creds.server,
- tgt_inst, KRB5_TGS_NAME, server_realm, NULL);
- if(ret) {
- krb5_free_principal(context, tmp_creds.server);
- krb5_free_principal(context, tmp_creds.client);
- return ret;
- }
- ret = krb5_free_creds(context, tgt);
- if(ret) {
- krb5_free_principal(context, tmp_creds.server);
- krb5_free_principal(context, tmp_creds.client);
- return ret;
- }
- }
-
- krb5_free_principal(context, tmp_creds.server);
- krb5_free_principal(context, tmp_creds.client);
- *out_creds = calloc(1, sizeof(**out_creds));
- if(*out_creds == NULL) {
- krb5_set_error_string(context, "malloc: out of memory");
- ret = ENOMEM;
- } else {
- krb5_boolean noaddr;
-
- krb5_appdefault_boolean(context, NULL, tgt->server->realm,
- "no-addresses", FALSE, &noaddr);
- if (noaddr)
- ret = get_cred_kdc (context, ccache, flags, NULL,
- in_creds, tgt, *out_creds);
- else
- ret = get_cred_kdc_la(context, ccache, flags,
- in_creds, tgt, *out_creds);
- if (ret) {
- free (*out_creds);
- *out_creds = NULL;
- }
- }
- krb5_free_creds(context, tgt);
- return ret;
-}
-
-krb5_error_code
-krb5_get_cred_from_kdc_opt(krb5_context context,
- krb5_ccache ccache,
- krb5_creds *in_creds,
- krb5_creds **out_creds,
- krb5_creds ***ret_tgts,
- krb5_flags flags)
-{
- krb5_kdc_flags f;
- f.i = flags;
- return get_cred_from_kdc_flags(context, f, ccache,
- in_creds, out_creds, ret_tgts);
-}
-
-krb5_error_code
-krb5_get_cred_from_kdc(krb5_context context,
- krb5_ccache ccache,
- krb5_creds *in_creds,
- krb5_creds **out_creds,
- krb5_creds ***ret_tgts)
-{
- return krb5_get_cred_from_kdc_opt(context, ccache,
- in_creds, out_creds, ret_tgts, 0);
-}
-
-
-krb5_error_code
-krb5_get_credentials_with_flags(krb5_context context,
- krb5_flags options,
- krb5_kdc_flags flags,
- krb5_ccache ccache,
- krb5_creds *in_creds,
- krb5_creds **out_creds)
-{
- krb5_error_code ret;
- krb5_creds **tgts;
- krb5_creds *res_creds;
- int i;
-
- *out_creds = NULL;
- res_creds = calloc(1, sizeof(*res_creds));
- if (res_creds == NULL) {
- krb5_set_error_string(context, "malloc: out of memory");
- return ENOMEM;
- }
-
- ret = krb5_cc_retrieve_cred(context,
- ccache,
- in_creds->session.keytype ?
- KRB5_TC_MATCH_KEYTYPE : 0,
- in_creds, res_creds);
- if(ret == 0) {
- *out_creds = res_creds;
- return 0;
- }
- free(res_creds);
- if(ret != KRB5_CC_END)
- return ret;
- if(options & KRB5_GC_CACHED) {
- krb5_clear_error_string (context);
- return KRB5_CC_NOTFOUND;
- }
- if(options & KRB5_GC_USER_USER)
- flags.b.enc_tkt_in_skey = 1;
- tgts = NULL;
- ret = get_cred_from_kdc_flags(context, flags, ccache,
- in_creds, out_creds, &tgts);
- for(i = 0; tgts && tgts[i]; i++) {
- krb5_cc_store_cred(context, ccache, tgts[i]);
- krb5_free_creds(context, tgts[i]);
- }
- free(tgts);
- if(ret == 0 && flags.b.enc_tkt_in_skey == 0)
- krb5_cc_store_cred(context, ccache, *out_creds);
- return ret;
-}
-
-krb5_error_code
-krb5_get_credentials(krb5_context context,
- krb5_flags options,
- krb5_ccache ccache,
- krb5_creds *in_creds,
- krb5_creds **out_creds)
-{
- krb5_kdc_flags flags;
- flags.i = 0;
- return krb5_get_credentials_with_flags(context, options, flags,
- ccache, in_creds, out_creds);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-24 19:27:36 +0000